<html>
<head>
  <script src="../OLLoader.js"></script>
  <script type="text/javascript">
    function test_Handler_RegularPolygon_constructor(t) {
        t.plan(3);
        var control = new OpenLayers.Control();
        control.id = Math.random();
        var callbacks = {foo: "bar"};
        var options = {bar: "foo"};
        
        var oldInit = OpenLayers.Handler.prototype.initialize;
        
        OpenLayers.Handler.prototype.initialize = function(con, call, opt) {
            t.eq(con.id, control.id,
                 "constructor calls parent with the correct control");
            t.eq(call, callbacks,
                 "constructor calls parent with the correct callbacks");
            t.eq(opt, options,
                 "regular polygon constructor calls parent with the correct options");
        }
        var handler = new OpenLayers.Handler.RegularPolygon(control, callbacks, options);

        OpenLayers.Handler.prototype.initialize = oldInit;
    }

    function test_Handler_RegularPolygon_activation(t) {
        t.plan(3);
        var map = new OpenLayers.Map('map');
        var control = new OpenLayers.Control();
        map.addControl(control);
        var handler = new OpenLayers.Handler.RegularPolygon(control);
        handler.active = true;
        var activated = handler.activate();
        t.ok(!activated,
             "activate returns false if the handler was already active");
        handler.active = false;
        activated = handler.activate();
        t.ok(activated,
             "activate returns true if the handler was not already active");
        activated = handler.deactivate();
        t.ok(activated,
             "deactivate returns true if the handler was active already");
        map.destroy();     
    }

    function test_Handler_RegularPolygon_deactivation(t) {
        t.plan(1);
        var map = new OpenLayers.Map('map');
        var control = new OpenLayers.Control();
        map.addControl(control);
             
        var handler = new OpenLayers.Handler.RegularPolygon(control, {foo: 'bar'});
        handler.activate();
        handler.layer.destroy();
        handler.deactivate();
        t.eq(handler.layer, null,
             "deactivate doesn't throw an error if layer was" +
             " previously destroyed");
        map.destroy();     
    }

    function test_Handler_RegularPolygon_four_corners(t) {
        t.plan(7);
        var map = new OpenLayers.Map('map');
        map.addLayer(new OpenLayers.Layer.WMS("", "", {}));
        map.zoomToMaxExtent();
        var control = new OpenLayers.Control();
        map.addControl(control);
        var handler = new OpenLayers.Handler.RegularPolygon(control, {});
        var activated = handler.activate();
        var evt = {xy: new OpenLayers.Pixel(150, 75), which: 1};
        handler.down(evt);
        var evt = {xy: new OpenLayers.Pixel(175, 75), which: 1};
        handler.move(evt);
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "-35.15625,-35.15625,35.15625,35.15625",
             "correct bounds after move");
        t.eq(handler.feature.geometry.components[0].components.length, 5,
             "geometry has 5 components");
        t.eq(handler.feature.geometry.CLASS_NAME,
             "OpenLayers.Geometry.Polygon",
             "geometry is a polygon");
        t.eq(handler.radius, 25*1.40625, "feature radius as set on handler");
        var evt = {xy: new OpenLayers.Pixel(175, 80), which: 1};
        handler.move(evt);
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "-35.15625,-35.15625,35.15625,35.15625",
             "correct bounds after move with a fixed radius");
        handler.cancel();
        handler.setOptions({radius:2 / Math.sqrt(2)});
        var evt = {xy: new OpenLayers.Pixel(150, 75), which: 1};
        handler.down(evt);
        
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "-1,-1,1,1",
             "bounds with manual radius setting");
        var evt = {xy: new OpenLayers.Pixel(175, 90), which: 1};
        handler.move(evt);
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "34.15625,-22.09375,36.15625,-20.09375",
             "bounds with manual radius setting and mousemove");
        map.destroy();     
    }

    function test_Handler_RegularPolygon_circle(t) {
        t.plan(7);
        var map = new OpenLayers.Map('map');
        map.addLayer(new OpenLayers.Layer.WMS("", "", {}));
        map.zoomToMaxExtent();
        var control = new OpenLayers.Control();
        map.addControl(control);
        var handler = new OpenLayers.Handler.RegularPolygon(control, {}, {'sides':40});
        var activated = handler.activate();
        var evt = {xy: new OpenLayers.Pixel(150, 75), which: 1};
        handler.down(evt);
        var evt = {xy: new OpenLayers.Pixel(175, 75), which: 1};
        handler.move(evt);
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "-35.15625,-35.15625,35.15625,35.15625",
             "correct bounds after move");
        t.eq(handler.feature.geometry.components[0].components.length, 41,
             "geometry has correct numbre of components");
        t.eq(handler.feature.geometry.CLASS_NAME,
             "OpenLayers.Geometry.Polygon",
             "geometry is a polygon");
        t.eq(handler.radius, 25*1.40625, "feature radius as set on handler");
        var evt = {xy: new OpenLayers.Pixel(175, 80), which: 1};
        handler.move(evt);
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "-35.823348,-35.823348,35.823348,35.823348",
             "correct bounds after move with fixed radius");
        handler.cancel();
        handler.setOptions({radius:1});
        var evt = {xy: new OpenLayers.Pixel(150, 75), which: 1};
        handler.down(evt);
        
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "-0.996917,-0.996917,0.996917,0.996917",
             "bounds with manual radius setting");
        var evt = {xy: new OpenLayers.Pixel(175, 80), which: 1};
        handler.move(evt);
        t.eq(handler.feature.geometry.getBounds().toBBOX(),
             "34.159333,-8.028167,36.153167,-6.034333",
             "bounds with manual radius setting and mousemove");
        map.destroy();     
    }

    function test_Handler_RegularPolygon_irregular(t) {
        t.plan(4);
        var map = {
            getResolution: function() {
                return 1;
            }
        };
        var layer = {
            addFeatures: function() {},
            drawFeature: function(feature, style) {
                var ring = feature.geometry.components[0];
                t.eq(ring.components[0].x, 20, "correct right");
                t.eq(ring.components[0].y, 10, "correct bottom");
                t.eq(ring.components[2].x, 10, "correct left");
                t.eq(ring.components[2].y, 15, "correct top");
            },
            getLonLatFromViewPortPx: function(px) {
                return {lon: px.x, lat: px.y};
            }
        };
        var control = {};
        var options = {
            sides: 4,
            irregular: true,
            layer: layer,
            map: map
        };
        var handler = new OpenLayers.Handler.RegularPolygon(
            control, null, options
        );
        handler.origin = new OpenLayers.Geometry.Point(10, 10);
        handler.feature = new OpenLayers.Feature.Vector(
            new OpenLayers.Geometry.Polygon(
                [new OpenLayers.Geometry.LinearRing()]
            )
        );
        // should result in a 10 x 5 rectangle
        handler.move({xy: {x: 20, y: 15}});
    }

    function test_callbacks(t) {
        t.plan(1);

        // setup
        var map = new OpenLayers.Map("map");

        var control = {"map": map};

        var done = function(geom) {
            t.ok(true,
                 "done callback called even if no move between down and up");
        };

        var handler = new OpenLayers.Handler.RegularPolygon(
            control, {"done": done});
        handler.activate();
        
        var xy = new OpenLayers.Pixel(Math.random(), Math.random());

        var isLeftClick = OpenLayers.Event.isLeftClick;
        OpenLayers.Event.isLeftClick = function() { return true; };
        handler.layer = {
            renderer: {
                clear: OpenLayers.Function.Void
            },
            addFeatures: OpenLayers.Function.Void,
            drawFeature: OpenLayers.Function.Void,
            destroyFeatures: OpenLayers.Function.Void,
            getLonLatFromViewPortPx: function() {
                return xy;
            }
        };

        // test
        map.events.triggerEvent("mousedown", {"xy": xy});
        map.events.triggerEvent("mouseup", {"xy": xy});

        // tear down
        OpenLayers.Event.isLeftClick = isLeftClick;
    }

  </script>
</head>
<body>
    <div id="map" style="width: 300px; height: 150px;"/>
</body>
</html>
